CN111233572A - Alginic acid macroelement-containing water-soluble fertilizer special for cotton and preparation method and application thereof - Google Patents
Alginic acid macroelement-containing water-soluble fertilizer special for cotton and preparation method and application thereof Download PDFInfo
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- CN111233572A CN111233572A CN202010047442.7A CN202010047442A CN111233572A CN 111233572 A CN111233572 A CN 111233572A CN 202010047442 A CN202010047442 A CN 202010047442A CN 111233572 A CN111233572 A CN 111233572A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/50—Cotton
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
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- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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- Fertilizers (AREA)
Abstract
The invention provides a special alginic acid-containing macroelement water-soluble fertilizer for cotton, and a preparation method and application thereof. The invention optimizes the alginic acid preparation process, thereby ensuring the alginic acid content to be stable and controllable and ensuring the fertilizer efficiency of different batches of products used on cotton. Meanwhile, the invention screens acid raw materials such as urea, monoammonium phosphate, urea phosphate, potassium sulfate, ammonium polyphosphate and the like to produce the macroelement water-soluble fertilizer specially aiming at the soil characteristics of saline-alkali soil of Xinjiang, can adjust the pH value of the soil, is slightly acidic, is suitable for drip irrigation of Xinjiang cotton, can provide nutrients, can clean drip irrigation pipelines in the using process and prevent water drops from being blocked by water scale with slightly alkaline water quality, and therefore, the invention has good value of practical application.
Description
Technical Field
The invention belongs to the technical field of water-soluble fertilizer production, and particularly relates to a special alginic acid-containing macroelement water-soluble fertilizer for cotton, and a preparation method and application thereof.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Algae are low photosynthetic nutrient plants that grow in the ocean and are the original producers of marine organic matter. Since the seaweed grows in the seawater which is a special environment medium, the seaweed also contains a plurality of trace elements such as iodine, potassium, magnesium, manganese, titanium and the like which are incomparable with the land plants, seaweed polysaccharide, mannitol and the like besides nutrient components of the land plants. Compared with the traditional water-soluble fertilizer special for cotton, the seaweed-containing water-soluble fertilizer has comprehensive nutrition, balanced growth of crops after application, remarkable yield increase effect and few nutrient deficiency symptoms; the seaweed contains a large amount of disease-resistant factors and special components, and has double effects of fertilizer and pesticide. After the crop is applied, the stress resistance and disease resistance are obviously enhanced, and the pesticide effect can be improved by spraying the foliage; the seaweed contains a large amount of high-activity components, and is easy to be absorbed by plants. After the fertilizer is applied to crops, the crops grow vigorously, and the yield and the quality of the crops can be obviously improved; the seaweed contains rich organic matters and slow release factors, has long fertilizer efficiency, can improve soil micro-ecology, activate soil, promote root growth and resist continuous cropping; the seaweed is natural, safe and pollution-free.
The invention patent (CN 201811424305.X) discloses a macroelement water-soluble fertilizer containing alginic acid and a preparation method thereof, wherein the seaweed extract is a leading seaweed extract purchased from Francisella sinica, the content of nutrient components of raw materials cannot be controlled, and the product quality cannot be ensured; the invention patent (CN 201711029904.7) discloses a alginic acid containing macroelement water-soluble fertilizer and a preparation method thereof, which does not describe the preparation process of alginic acid, but simply mixes alginic acid purchased from the outside and cannot ensure the stability of the content index of the alginic acid in the product, and other patent technologies do not see the technology of special alginic acid containing macroelement water-soluble fertilizer for cotton.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a special alginic acid containing macroelement water-soluble fertilizer for cotton and a preparation method thereof. The invention optimizes the alginic acid preparation process, thereby ensuring the alginic acid content to be stable and controllable and ensuring the fertilizer efficiency of different batches of products used on cotton. Meanwhile, the invention screens acid raw materials such as urea, monoammonium phosphate, urea phosphate, potassium sulfate, ammonium polyphosphate and the like to produce the macroelement water-soluble fertilizer specially aiming at the soil characteristics of saline-alkali soil of Xinjiang, can adjust the pH value of the soil, is slightly acidic, is suitable for drip irrigation of Xinjiang cotton, can provide nutrients, can clean drip irrigation pipelines in the using process, prevents water drops from being blocked by water scale due to slightly alkaline water quality, and has good value of practical application.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the invention provides a special alginic acid containing macroelement water-soluble fertilizer for cotton, which comprises the following raw materials in parts by weight: 1-5 parts of seaweed dry powder particles, 1-20 parts of urea phosphate, 10-15 parts of monoammonium phosphate, 20-60 parts of potassium sulfate, 0.1-3 parts of zinc, 0.1-2 parts of boron, 0.1-3 parts of iron and 0.5-4 parts of magnesium.
The preparation method of the seaweed dry powder particles comprises the following steps: taking kelp as a raw material, carrying out primary enzymolysis by adopting protease and pectinase, adding cellulase for secondary enzymolysis, sterilizing, and carrying out centrifugal spray drying on an enzymolysis solution to prepare the seaweed dry powder particles. The seaweed meal is granulated, so that the seaweed meal is not suitable for moisture absorption and caking after being mixed with other raw materials such as inorganic salt nutrients and the like. Meanwhile, the alginic acid content in the enzymolysis liquid is preferably adjusted by the alginic acid content in the enzymolysis liquid to adjust subsequent centrifugal spray drying parameters, so that the alginic acid content is controlled, and the stability of the alginic acid content in each batch of seaweed dry powder particles is maintained.
It is noted that the raw material for preparing the seaweed dry powder particles is food-grade kelp, so that the high content of heavy metals is avoided.
The urea phosphate selected by the invention is 99% of industrial pure product.
In the medium trace elements selected by the invention,
the zinc is EDTA-Zn;
boron is sodium octaborate tetrahydrate;
the iron is EDDHA-Fe;
the magnesium is magnesium sulfate monohydrate.
The second aspect of the invention provides a preparation method of the alginic acid containing macroelement water-soluble fertilizer special for cotton, which comprises the following steps:
preparing alginic acid dry powder particles; and uniformly mixing the prepared alginic acid dry powder particles with other raw materials in the fertilizer according to a formula ratio to prepare the water-soluble fertilizer.
Wherein the preparation method of the alginic acid dry powder particles comprises the following steps: the kelp is taken as a raw material, after being crushed and soaked, the kelp is subjected to primary enzymolysis by adopting protease and pectinase, and then cellulase is added for secondary enzymolysis, and the kelp is sterilized, centrifuged, sprayed and dried to prepare the dry seaweed powder particles.
In a third aspect of the invention, the application of the alginic acid containing macroelement water-soluble fertilizer in cotton production is provided. The application at least comprises:
1) the occurrence of soil-borne diseases is reduced;
2) the pH value of the soil is reduced;
3) the cotton yield is improved.
In a fourth aspect of the invention, there is provided a method of cotton production, the method comprising: diluting the alginic acid containing macroelement water-soluble fertilizer with water, and performing drip irrigation or sprinkling irrigation according to a conventional mode.
Wherein, the water dilution times can be diluted according to actual requirements, such as 200-400 times.
The invention has obvious yield-increasing effect on cotton, has very high application value, and has the following technical effects compared with the prior art:
1. the seaweed dry powder particles contain rich natural biological stimulin such as seaweed polysaccharide, mannitol, betaine, biological iodine, indoleacetic acid and the like, and can improve the stress resistance of cotton and improve the quality.
2. The product has acidic pH, the pH is 3.0-4.0 after the product is diluted by 250 times with water, and the product is an acidic water-soluble fertilizer specially developed aiming at the characteristics of soil in Xinjiang, and can reduce the pH value of the soil and reduce the occurrence of soil-borne diseases.
3. The pH value of the product is acidic, so that the drip irrigation pipeline can be cleaned, and impurities such as water scale and the like can be prevented from blocking the dripper. Therefore, the present invention has good practical application value.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. It is to be understood that the scope of the invention is not to be limited to the specific embodiments described below; it is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention.
As mentioned above, the water soluble fertilizer containing alginic acid produced in the prior art generally has the disadvantages of unstable alginic acid content and the like.
In view of the above, in one embodiment of the present invention, a special alginic acid-containing macroelement water-soluble fertilizer for cotton is provided, which is composed of the following raw materials in parts by weight: 1-5 parts of seaweed dry powder particles, 1-20 parts of urea phosphate, 10-15 parts of monoammonium phosphate, 20-60 parts of potassium sulfate, 0.1-3 parts of zinc, 0.1-2 parts of boron, 0.1-3 parts of iron and 0.5-4 parts of magnesium.
In another embodiment of the invention, the fertilizer comprises the following raw materials in parts by weight:
3-5 parts of seaweed dry powder particles, 5-7 parts of urea, 10-15 parts of urea phosphate, 13-15 parts of monoammonium phosphate, 50-60 parts of potassium sulfate, 1-2 parts of zinc, 1-2 parts of boron, 1-2 parts of iron and 1-2 parts of magnesium.
In another embodiment of the present invention, the preparation method of the seaweed dry powder particles comprises: taking kelp as a raw material, carrying out primary enzymolysis by adopting protease and pectinase, adding cellulase for secondary enzymolysis, sterilizing, and carrying out centrifugal spray drying on an enzymolysis solution to prepare the seaweed dry powder particles. The seaweed meal is granulated, so that the seaweed meal is not suitable for moisture absorption and caking after being mixed with other raw materials such as inorganic salt nutrients and the like. Meanwhile, the alginic acid content in the enzymolysis liquid is preferably adjusted by the alginic acid content in the enzymolysis liquid to adjust subsequent centrifugal spray drying parameters, so that the alginic acid content is controlled, and the stability of the alginic acid content in each batch of seaweed dry powder particles is maintained.
In still another embodiment of the present invention, the medium trace elements are selected from the group consisting of,
the zinc is EDTA-Zn;
boron is sodium octaborate tetrahydrate;
the iron is EDDHA-Fe;
the magnesium is magnesium sulfate monohydrate.
In another specific embodiment of the present invention, a preparation method of the alginic acid containing macroelement water-soluble fertilizer special for cotton is provided, and the preparation method includes:
preparing alginic acid dry powder particles; and uniformly mixing the prepared alginic acid dry powder particles with other raw materials in the fertilizer according to a formula ratio to prepare the water-soluble fertilizer.
In another embodiment of the present invention, the method for preparing the alginic acid dry powder particles comprises: the kelp is taken as a raw material, after being crushed and soaked, the kelp is subjected to primary enzymolysis by adopting protease and pectinase, and then cellulase is added for secondary enzymolysis, and the kelp is sterilized, centrifuged, sprayed and dried to prepare the dry seaweed powder particles. According to the invention, through a secondary enzymolysis process, the contents of algal polysaccharides and alginic acid in the kelp enzymolysis liquid are improved, the wall breaking efficiency of kelp cells is increased, and kelp enzymolysis is more thorough and is fully released.
In another embodiment of the invention, the application of the alginic acid containing macroelement water-soluble fertilizer in cotton production is provided. The application at least comprises:
1) the occurrence of soil-borne diseases is reduced;
2) the pH value of the soil is reduced;
3) the cotton yield is improved.
In yet another embodiment of the present invention, there is provided a method of cotton production, the method comprising: diluting the alginic acid containing macroelement water-soluble fertilizer with water, and performing drip irrigation or sprinkling irrigation according to a conventional mode.
In another embodiment of the present invention, the dilution with water may be performed according to actual requirements, such as 200-400 times, for example, 200 times, 250 times, 300 times, 350 times or 400 times.
The invention is further illustrated by the following examples, which are not to be construed as limiting the invention thereto. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
1. Preparation of seaweed dry powder particles
(1) Taking 400kg of food-grade kelp in 8-9 months in the harvesting season, cleaning, crushing and soaking for 24 hours.
(2) Putting the kelp soaked in the step (1) into a first-stage enzymolysis tank, adding 600kg of pure water, 2kg of 800 ten thousand units of protease and 1kg of 600 ten thousand units of pectinase, and performing first-stage enzymolysis at the temperature of 30-40 ℃ to obtain first-stage enzymolysis liquid.
(3) And (3) feeding the first-stage enzymolysis liquid in the step (2) into a second-stage enzymolysis tank, adding 2kg of 1500 ten thousand units of cellulase for reaction, controlling the temperature to be 30-50 ℃, and heating to 90 ℃ for high-temperature sterilization for 30min after the reaction is finished.
(4) And (3) preparing the secondary kelp enzymatic hydrolysate prepared in the step (3) into dry seaweed powder particles by a centrifugal spray dryer, wherein the centrifugal spray dryer is produced by Changzhou enterprise star drying technology Co., Ltd, and the model of the centrifugal spray dryer is LPG-200-.
2. Preparation of water-soluble fertilizer containing alginic acid macroelement
2 parts of seaweed dry powder particles, 7 parts of urea, 15 parts of urea phosphate, 15 parts of monoammonium phosphate, 53 parts of potassium sulfate, 2 parts of EDTA-Zn, 2 parts of sodium octaborate tetrahydrate, 2 parts of EDDHA-Fe and 2 parts of magnesium sulfate monohydrate are sequentially added into a low-temperature air flow mixer, and the alginic acid-containing macroelement water-soluble fertilizer special for cotton is prepared after low-temperature air flow mixing.
Test examplesEffect verification of alginic acid-containing macroelement water-soluble fertilizer on Xinjiang cotton
(1) Site of experiment
Xinjiang Changji
(2) Test material
Xinluzao No. 48 cotton
(3) Fertilizer for test
① Fertilizer of the examples of the present invention (diluted 250 times with water).
② the fertilizer formulation of the invention is a macroelement water soluble fertilizer (diluted by 250 times with water) which contains the same trace elements in nitrogen, phosphorus and potassium base but does not contain seaweed dry powder particles.
③ control CK clear water.
(4) Test results
Influence of different treatments on Cotton yield constitutive factors
From the results in the table, it can be seen that ① treated with alginic acid-containing macroelement water-soluble fertilizer of the present invention performed best in terms of the effective number of fruit branches, the number of bolls per plant and the weight per boll of cotton, ① increased the effective number of fruit branches by 0.7 and 1.2 respectively, the number of bolls per plant by 0.5 and 1.0 respectively, and the weight per boll by 0.4g and 1.1g respectively, compared with ② and ③ respectively.
It should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the examples given, those skilled in the art can modify the technical solution of the present invention as needed or equivalent substitutions without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. The alginic acid-containing macroelement water-soluble fertilizer special for cotton is characterized by comprising the following raw materials in parts by weight: 1-5 parts of seaweed dry powder particles, 1-20 parts of urea phosphate, 10-15 parts of monoammonium phosphate, 20-60 parts of potassium sulfate, 0.1-3 parts of zinc, 0.1-2 parts of boron, 0.1-3 parts of iron and 0.5-4 parts of magnesium.
2. The alginic acid macroelement-containing water-soluble fertilizer as claimed in claim 1, which comprises the following raw materials in parts by weight:
3-5 parts of seaweed dry powder particles, 5-7 parts of urea, 10-15 parts of urea phosphate, 13-15 parts of monoammonium phosphate, 50-60 parts of potassium sulfate, 1-2 parts of zinc, 1-2 parts of boron, 1-2 parts of iron and 1-2 parts of magnesium.
3. The alginic acid macroelement-containing water soluble fertilizer as claimed in claim 1 or 2, wherein the preparation method of said seaweed dry powder particles comprises: taking kelp as a raw material, carrying out primary enzymolysis by adopting protease and pectinase, adding cellulase for secondary enzymolysis, sterilizing, and carrying out centrifugal spray drying on an enzymolysis solution to prepare the seaweed dry powder particles.
4. Alginic acid macroelement-containing water-soluble fertilizer as claimed in claim 1 or 2,
the zinc is EDTA-Zn;
boron is sodium octaborate tetrahydrate;
the iron is EDDHA-Fe;
the magnesium is magnesium sulfate monohydrate.
5. The preparation method of the alginic acid macroelement-containing water-soluble fertilizer special for cotton as claimed in any one of claims 1 to 4, characterized in that the preparation method comprises the following steps:
preparing alginic acid dry powder particles; and uniformly mixing the prepared alginic acid dry powder particles with other raw materials in the fertilizer according to a formula ratio to prepare the water-soluble fertilizer.
6. The method of claim 5, wherein said alginic acid dry powder particles are prepared by a method comprising: the kelp is taken as a raw material, after being crushed and soaked, the kelp is subjected to primary enzymolysis by adopting protease and pectinase, and then cellulase is added for secondary enzymolysis, and the kelp is sterilized, centrifuged, sprayed and dried to prepare the dry seaweed powder particles.
7. Use of the alginic acid containing macroelement water soluble fertilizer of any one of claims 1 to 4 in cotton production.
8. The application of claim 7, wherein the application comprises at least:
1) the occurrence of soil-borne diseases is reduced;
2) the pH value of the soil is reduced;
3) the cotton yield is improved.
9. A method of cotton production, comprising: diluting the alginic acid containing macroelement water-soluble fertilizer of any one of claims 1 to 4 with water, and then performing drip irrigation or sprinkling irrigation on cotton.
10. The method of claim 9, wherein the dilution with water is from 200 to 400 times.
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| CN202010047442.7A CN111233572A (en) | 2020-01-16 | 2020-01-16 | Alginic acid macroelement-containing water-soluble fertilizer special for cotton and preparation method and application thereof |
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| CN202010047442.7A CN111233572A (en) | 2020-01-16 | 2020-01-16 | Alginic acid macroelement-containing water-soluble fertilizer special for cotton and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524692A (en) * | 2022-01-21 | 2022-05-24 | 沃达农业科技股份有限公司 | Control promoting pesticide fertilizer for cotton seedling-stage drip irrigation and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108083880A (en) * | 2017-12-27 | 2018-05-29 | 中化（烟台）作物营养有限公司 | A kind of organic water-soluble fertilizer containing alginic acid and preparation method thereof |
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2020
- 2020-01-16 CN CN202010047442.7A patent/CN111233572A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083880A (en) * | 2017-12-27 | 2018-05-29 | 中化（烟台）作物营养有限公司 | A kind of organic water-soluble fertilizer containing alginic acid and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 辽宁省科学技术协会: "《玉米高产栽培与加工新技术》", 30 September 2007, 辽宁科学技术出版社，第1版, pages: 60 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524692A (en) * | 2022-01-21 | 2022-05-24 | 沃达农业科技股份有限公司 | Control promoting pesticide fertilizer for cotton seedling-stage drip irrigation and preparation method thereof |
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Application publication date: 20200605 |